As an experienced software developer, architect and security enthusiast with over a decade of industry experience, Satej Kumar Sahu has dedicated his career to building robust and secure applications. Throughout his journey, he has encountered numerous challenges and witnesses the evolving landscape of PHP application security. With a passion for sharing knowledge and empowering fellow developers, he has decided to write this book as a comprehensive guide to PHP application security. Drawing from practical experiences, industry best practices, and a deep understanding of PHP development, his goal is to equip readers with the skills and insights needed to build secure and resilient PHP applications in today's threat landscape. He is excited to contribute to the community and help developers create secure software that withstands the ever-present risks of the digital world.